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    Plugged honeycomb structure
    8.
    发明授权
    Plugged honeycomb structure 有权

    公开(公告)号：US10232300B2

    公开(公告)日：2019-03-19

    申请号：US15340254

    申请日：2016-11-01

    申请人： NGK INSULATORS, LTD.

    发明人： Yuichi Hamazaki ,  Toshihiro Hirakawa

    IPC分类号： B01D46/24 ,  B01D53/94

    摘要： In the plugged honeycomb structure, 30% or more of first intersection portions in which a first partition wall intersects a second partition wall are first specific intersection portions in which a diameter of a maximum inscribed circle drawn in the first intersection portion is a specific size for a shortest distance between an inflow cell and an outflow cell, and 30% or more of non-first intersection portions other than the first intersection portions are non-first specific intersection portions in which a diameter of a maximum inscribed circle drawn in a non-first intersection portion is a specific size for a shortest distance between the inflow cells or the outflow cells.

    Manufacturing method for honeycomb structure and honeycomb structure
    9.
    发明授权
    Manufacturing method for honeycomb structure and honeycomb structure 有权
    蜂窝结构和蜂窝结构的制造方法

    公开(公告)号：US09555355B2

    公开(公告)日：2017-01-31

    申请号：US14227255

    申请日：2014-03-27

    申请人： NGK Insulators, Ltd.

    发明人： Yusuke Tsuchiya ,  Hiroyuki Suenobu ,  Masaki Houra ,  Yuichi Hamazaki

    IPC分类号： B01D39/06 ,  B01D39/14 ,  B01D39/20 ,  B01D24/00 ,  B01D46/00 ,  C04B35/195 ,  C04B38/00 ,  B01D46/24

    CPC分类号： B01D46/0001 ,  B01D46/244 ,  C04B35/195 ,  C04B38/0006 ,  C04B38/0012 ,  C04B2235/3217 ,  C04B2235/3218 ,  C04B2235/3418 ,  C04B2235/3445 ,  C04B2235/349 ,  C04B38/0074 ,  C04B38/0655 ,  C04B38/067

    摘要： Provided is a technique to manufacture a honeycomb structure reducing a width of dimensional difference generated during firing between an end part and a central part and having excellent thermal shock resistance, and the method includes: a honeycomb formed body preparing step of extruding a kneaded material including a cordierite forming raw material A, to prepare a formed body; a plugged honeycomb formed body preparing step of filling cell openings thereof with a plugging material which includes a forming raw material containing a cordierite forming raw material B and resin balloon of 1.0 to 15 mass % and has a difference in firing shrinkage rate of −1.0 to +2.0% from the formed body, to prepare a plugged formed body; and a honeycomb structure preparing step of firing the prepared plugged formed body, to prepare a honeycomb structure provided with porous plugged portions.

    摘要翻译： 本发明提供一种制造蜂窝结构体的方法，该蜂窝结构体在端部和中心部分之间焙烧时产生的尺寸差异的宽度减小并且具有优异的耐热冲击性，并且该方法包括：蜂窝成形体准备步骤，挤出包含 堇青石形成原料A，以制备成形体; 一种堵塞蜂窝成形体的制备步骤，其中包括一种包含含有堇青石形成原料B的成形原料和1.0〜15质量％的树脂气囊的成型原料，并且烧成收缩率为-1.0〜 + 2.0％来自成型体，准备堵塞成型体; 以及烧制准备好的堵塞成形体的蜂窝结构体制备工序，制作具有多孔堵塞部的蜂窝结构体。

    Plugged honeycomb structure
    10.
    发明授权
    Plugged honeycomb structure 有权

    公开(公告)号：US10328376B2

    公开(公告)日：2019-06-25

    申请号：US15471343

    申请日：2017-03-28

    申请人： NGK INSULATORS, LTD.

    发明人： Yuichi Hamazaki ,  Takahiro Kondo

    IPC分类号： B01D46/24 ,  B28B3/20 ,  B28B11/00 ,  B28B11/08 ,  B28B11/24 ,  F01N3/022

    摘要： A plugged honeycomb structure in which in a cross section of a honeycomb structure body which is perpendicular to an extending direction of cells, inflow cells are disposed to surround an outflow cell, and the number of the inflow cells is larger than the number of the outflow cells, and the cross section has a plurality of intersecting portions of partition walls each defining the inflow cells which are adjacent to each other, and in 60% or more of a total number of the intersecting portions, a relation between a diameter (D1) of a circle inscribed in the intersecting portion and a diameter (D0) of a circle inscribed in the partition wall defining the inflow cell and the outflow cell which are adjacent to each other satisfies D1/(√2×D0)=1.20 to 1.80